<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>通配符选择器</title>

    <style>
        * {
            color: red;
        }
    </style>

</head>
<body>
    <h1>*把所有的标签同意修改样式包括html、body、div、span、li等的标签都改</h1>
    <div>我的</div>
    <span>我的</span>
    <ul>
        <li>还是我的</li>
    </ul>

</body>
</html>